On Fri, Dec 18, 2009 at 12:29 PM, Greg Stark <gsstark@mit.edu> wrote:
> A word of warning, in my experience the hardest part for changes like
> this isn't the executor changes (which in this case wouldn't be far
> from easy) but the planner changes to detect when this new plan would
> be better.
There's also the problem of making the visibility map crash-safe. I
think I heard you might have some ideas on that one - has it been
discussed on -hackers?
...Robert